Zadanie 2g
Determine the oxidation state of carbon in methanol, CH3OH.
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Determine the oxidation state of carbon in methanol, CH3OH.
Lithium hydride, LiH, forms a crystalline ionic lattice made of Li+ and H− ions. Deduce, giving a reason, whether lithium hydride could be classified as a Brønsted–Lowry acid or as a Brønsted–Lowry base.
A mixture of 44.1 g of propane and 192 g of oxygen is ignited and reacts until one reactant is used up, according to the equation. C3H8(g) + 5 O2(g) → 3 CO2(g) + 4 H2O(l) Which substances are present in the vessel once the reaction has finished? A.…
State the name of the reagent that is heated with ethanoic acid to form this ester.
A student obtained 2.58 g of the ester from 3.00 g of ethanoic acid and an excess of the second reagent. Determine the percentage yield of the ester.
Spectra can be used to monitor the conversion of ethanoic acid into the ester. (i) State one similarity and one difference between the infrared (IR) spectra of ethanoic acid and of the ester in the 1500–3500 cm−1 region. Use section 20 of the…
State the homologous series to which CH3COOCH3 belongs.
Sheets of pyrolytic graphite, which consists of many stacked layers of carbon atoms, are used in some phones to spread heat away from the processor. A sheet conducts heat very well parallel to its surface but poorly through its thickness. Suggest an…
Nomex® is a polyamide used in fire-resistant clothing. It forms when benzene-1,3-dicarboxylic acid reacts with benzene-1,3-diamine. Draw one repeating unit of Nomex®.
A sealed vessel contains 4.41 g of propane and 24.0 g of oxygen, which react according to the equation. C3H8(g) + 5 O2(g) → 3 CO2(g) + 4 H2O(l) Which substances are present in the vessel after the reaction is complete? A. CO2(g) and H2O(l)…